/*
 * Copyright 2009 Original Author(s)
 * 
 * This file is part of Kommando
 * 
 * Kommando is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * Kommando is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with Kommando.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.kommando.shelf;

import java.util.Collections;
import java.util.List;

import javax.swing.Icon;

import org.kommando.core.catalog.AbstractObjectSource;
import org.kommando.core.catalog.CatalogObject;
import org.kommando.core.catalog.SimpleCatalogObject;

/**
 * @author Peter De Bruycker
 * 
 */
public class ShelfObjectSource extends AbstractObjectSource {

    private CatalogObject shelfObject;

    @Override
    public String getDescription() {
        // TODO description
        return "TODO";
    }

    @Override
    public Icon getIcon() {
        // TODO icon
        return null;
    }

    @Override
    public String getId() {
        return "shelf";
    }

    @Override
    public String getName() {
        return "Shelf";
    }

    public ShelfObjectSource(Shelf shelf) {
        SimpleCatalogObject shelfObject = new SimpleCatalogObject("shelf:shelf", "Shelf", "TODO");
        shelfObject.setExtension(Shelf.class, shelf);

        this.shelfObject = shelfObject;
    }

    @Override
    public List<CatalogObject> getObjects() {
        return Collections.<CatalogObject> singletonList(shelfObject);
    }

    @Override
    public List<CatalogObject> getChildren(CatalogObject object) {
        if (object.hasExtension(Shelf.class)) {
            return object.getExtension(Shelf.class).getContents();
        }

        return null;
    }

    @Override
    public boolean hasChildren(CatalogObject object) {
        return object.hasExtension(Shelf.class);
    }

}
